#include <stdio.h>

int main(){
    int a = 10;
    int x = 3;
    int y = x++;
    printf("%d\n", x);
    printf("%d\n", y);
    
    a++;

    printf("%d\n", a);

    int num = 153;
    int bai = num / 100;
    int shi = num % 100 / 10;
    int ge = num % 10;

    printf("百位为：%d\n", bai);
    printf("十位为：%d\n", shi);
    printf("个位为：%d\n", ge);


    return 0;



}